Download Class 7 Science MCQ App Download | Sound Waves e-Book PDF
Class 7 Science Entrance Exam: Practice Test 14 (Chapter 23)
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The MCQs: The term "vibration" has been derived from Latin word; "Sound Waves" App (Android, iOS) with answers: vibrationem, loqui, silentium, and biennium to learn homeschool online courses. Practice Musical Instruments MCQ Questions, download Apple Book (Free Sample) for distance learning.
The term "vibration" has been derived from Latin word
Repetition of sound in empty hall is known as
String instruments produce sound when
The sequence of notes is known as
Long exposure to sounds is dangerous for
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